Mark J Howell

Insider

First SEC filing: June 8, 2026 · Latest: June 8, 2026

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Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.

Insider at

OPLN buying May 11, 2022

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 35 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

35 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 5, 2026	OPLN	A	6,031	$36.48	$220,011	72,938 Direct	+9.01%	Acquired	-6.2% (price as of 2026-08-20)
June 6, 2025	OPLN	A	7,195	$23.63	$170,018	66,907 Direct	+12.05%	Acquired	44.8% (price as of 2026-08-20)
June 7, 2024	OPLN	A	10,132	$16.78	$170,015	59,712 Direct	+20.44%	Acquired	103.9% (price as of 2026-08-20)
June 2, 2023	OPLN	A	11,032	$15.41	$170,003	49,580 Direct	+28.62%	Acquired	122.1% (price as of 2026-08-20)
June 2, 2022	OPLN	A	7,832	$16.60	$130,011	38,548 Direct	+25.50%	Acquired	106.1% (price as of 2026-08-20)
May 11, 2022	OPLN	P	15,300	$13.00	$198,900	15,300 Direct	—	Acquired	163.2% (price as of 2026-08-20)
June 4, 2021	OPLN	A	7,132	$18.23	$130,016	30,716 Direct	+30.24%	Acquired	87.7% (price as of 2026-08-20)
June 4, 2020	OPLN	A	8,228	$15.80	$130,002	22,037 Direct	+59.58%	Acquired	116.6% (price as of 2026-08-20)
April 3, 2020	OPLN	A	301	$9.50	$2,860	1,547 Direct	+24.16%	Acquired	260.2% (price as of 2026-08-20)
Jan. 3, 2020	OPLN	A	127	$22.40	$2,845	1,246 Direct	+11.35%	Acquired	52.8% (price as of 2026-08-20)
Oct. 3, 2019	OPLN	A	119	$23.57	$2,805	1,120 Direct	+11.89%	Acquired	45.2% (price as of 2026-08-20)
June 17, 2019	OPLN	A	73	$60.07	$4,385	1,000 Direct	+7.87%	Acquired	50.5% (price as of 2026-08-20)
June 4, 2019	OPLN	A	2,230	$58.31	$130,031	13,809 Direct	+19.26%	Acquired	55.0% (price as of 2026-08-20)
April 4, 2019	OPLN	A	83	$52.35	$4,345	927 Direct	+9.83%	Acquired	72.7% (price as of 2026-08-20)
Jan. 4, 2019	OPLN	A	92	$46.91	$4,316	844 Direct	+12.23%	Acquired	92.7% (price as of 2026-08-20)
Oct. 3, 2018	OPLN	A	72	$59.55	$4,288	752 Direct	+10.59%	Acquired	51.8% (price as of 2026-08-20)
July 5, 2018	OPLN	A	77	$55.52	$4,275	680 Direct	+12.77%	Acquired	62.8% (price as of 2026-08-20)
June 4, 2018	OPLN	A	2,140	$53.75	$115,025	11,579 Direct	+22.67%	Acquired	68.2% (price as of 2026-08-20)
April 4, 2018	OPLN	A	64	$54.64	$3,497	603 Direct	+11.87%	Acquired	65.5% (price as of 2026-08-20)
Jan. 5, 2018	OPLN	A	67	$51.53	$3,453	539 Direct	+14.19%	Acquired	75.4% (price as of 2026-08-20)
Oct. 3, 2017	OPLN	A	65	$48.50	$3,152	472 Direct	+15.97%	Acquired	86.4% (price as of 2026-08-20)
July 6, 2017	OPLN	A	77	$40.83	$3,144	407 Direct	+23.33%	Acquired	121.4% (price as of 2026-08-20)
June 5, 2017	OPLN	A	2,594	$44.34	$115,018	9,439 Direct	+37.90%	Acquired	103.9% (price as of 2026-08-20)
April 4, 2017	OPLN	A	54	$42.19	$2,278	331 Direct	+19.49%	Acquired	114.3% (price as of 2026-08-20)
Jan. 6, 2017	OPLN	A	51	$44.61	$2,275	277 Direct	+22.57%	Acquired	102.7% (price as of 2026-08-20)
Oct. 4, 2016	OPLN	A	47	$43.44	$2,042	226 Direct	+26.26%	Acquired	108.1% (price as of 2026-08-20)
July 5, 2016	OPLN	A	49	$41.49	$2,033	179 Direct	+37.69%	Acquired	117.9% (price as of 2026-08-20)
June 8, 2016	OPLN	A	2,785	$41.30	$115,020	6,845 Direct	+68.60%	Acquired	118.9% (price as of 2026-08-20)
April 5, 2016	OPLN	A	31	$38.30	$1,187	130 Direct	+31.31%	Acquired	136.1% (price as of 2026-08-20)
Jan. 7, 2016	OPLN	A	31	$34.25	$1,062	99 Direct	+45.59%	Acquired	164.0% (price as of 2026-08-20)
Jan. 4, 2016	OPLN	A	170	$36.92	$6,276	4,060 Direct	+4.37%	Acquired	144.9% (price as of 2026-08-20)
Oct. 1, 2015	OPLN	A	30	$35.76	$1,073	68 Direct	+78.95%	Acquired	152.8% (price as of 2026-08-20)
July 2, 2015	OPLN	A	28	$37.73	$1,056	38 Direct	+280.00%	Acquired	139.6% (price as of 2026-08-20)
June 3, 2015	OPLN	A	2,620	$38.18	$100,032	3,890 Direct	+206.30%	Acquired	136.8% (price as of 2026-08-20)
April 2, 2015	OPLN	A	10	$38.06	$381	10 Direct	—	Acquired	137.5% (price as of 2026-08-20)
Jan. 2, 2015	OPLN	A	1,270	$34.53	$43,853	1,270 Direct	—	Acquired	161.8% (price as of 2026-08-20)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
June 5, 2026	OPLN	Phantom Stock	Common Stock (6,031)	—	—	6,031	Acquired
June 6, 2025	OPLN	Phantom Stock	Common Stock (7,195)	—	—	7,195	Acquired
June 7, 2024	OPLN	Phantom Stock	Common Stock (10,132)	—	—	10,132	Acquired
June 2, 2023	OPLN	Phantom Stock	Common Stock (11,032)	—	—	11,032	Acquired
June 2, 2022	OPLN	Phantom Stock	Common Stock (7,832)	—	—	7,832	Acquired
June 4, 2021	OPLN	Phantom Stock	Common Stock (7,132)	—	—	7,132	Acquired
June 4, 2020	OPLN	Phantom Stock	Common Stock (8,228)	—	—	8,228	Acquired
April 3, 2020	OPLN	Phantom Stock	Common Stock (301)	—	—	301	Acquired
Jan. 3, 2020	OPLN	Phantom Stock	Common Stock (127)	—	—	127	Acquired
Oct. 3, 2019	OPLN	Phantom Stock	Common Stock (119)	—	—	119	Acquired
June 17, 2019	OPLN	Phantom Stock	Common Stock (73)	—	—	73	Acquired
June 4, 2019	OPLN	Phantom Stock	Common Stock (2,230)	—	—	2,230	Acquired
April 4, 2019	OPLN	Phantom Stock	Common Stock (83)	—	—	83	Acquired
Jan. 4, 2019	OPLN	Phantom Stock	Common Stock (92)	—	—	92	Acquired
Oct. 3, 2018	OPLN	Phantom Stock	Common Stock (72)	—	—	72	Acquired
July 5, 2018	OPLN	Common Stock	Common Stock (77)	—	—	77	Acquired
June 4, 2018	OPLN	Common Stock	Common Stock (2,140)	—	—	2,140	Acquired
April 4, 2018	OPLN	Common Stock	Common Stock (64)	—	—	64	Acquired
Jan. 5, 2018	OPLN	Common Stock	Common Stock (67)	—	—	67	Acquired
Oct. 3, 2017	OPLN	Common Stock	Common Stock (65)	—	—	65	Acquired
July 6, 2017	OPLN	Common Stock	Common Stock (77)	—	—	77	Acquired
June 5, 2017	OPLN	Common Stock	Common Stock (2,594)	—	—	2,594	Acquired
April 4, 2017	OPLN	Common Stock	Common Stock (54)	—	—	54	Acquired
Jan. 6, 2017	OPLN	Common Stock	Common Stock (51)	—	—	51	Acquired
Oct. 4, 2016	OPLN	Common Stock	Common Stock (47)	—	—	47	Acquired
July 5, 2016	OPLN	Common Stock	Common Stock (49)	—	—	49	Acquired
June 8, 2016	OPLN	Common Stock	Common Stock (2,785)	—	—	2,785	Acquired
April 5, 2016	OPLN	Common Stock	Common Stock (31)	—	—	31	Acquired
Jan. 7, 2016	OPLN	Common Stock	Common Stock (31)	—	—	31	Acquired
Jan. 4, 2016	OPLN	Common Stock	Common Stock (170)	—	—	170	Acquired
Oct. 1, 2015	OPLN	Common Stock	Common Stock (30)	—	—	30	Acquired
July 2, 2015	OPLN	Common Stock	Common Stock (28)	—	—	28	Acquired
June 3, 2015	OPLN	Common Stock	Common Stock (2,620)	—	—	2,620	Acquired
April 2, 2015	OPLN	Common Stock	Common Stock (10)	—	—	10	Acquired
Jan. 2, 2015	OPLN	Common Stock	Common Stock (1,270)	—	—	1,270	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).